Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343583 | Runoff guard and dock leveler locking apparatus | — | 1994-09-06 |
| 5214818 | Dock leveler operating apparatus | — | 1993-06-01 |
| 5195205 | Dock leveler operating apparatus | — | 1993-03-23 |
| 5123135 | Dock leveler support structure and pivoting apparatus | Leo Benson | 1992-06-23 |
| 4935979 | Dock leveler operating apparatus | Edward T. Walker | 1990-06-26 |